Order by Size

Children line a set up by one measure, then re-order it by another.

🎮 Try it yourself

QubtanPut It in Order

Tap two cards to swap them until the order is right.

Put the plant in order, first to last.

Then run it for real — here’s the guide:

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Step 1 of 4

Get ready

Inquiry-based · 16 min

💫 The big idea
The same things can be grouped in many ways.

You’ll need:

  • Objects that vary by size, length, or weight
For this age
At this age, hand over real responsibility: let them run a step without you, ask "should we?" beside "can we?", and be visibly persuadable when they argue well.
🃏 Open the card decks (play or print)
Show me how · Qubtan